What is the difference between a Bluetooth adapter and a WiFi adapter?
1. At present, the distance of the civil version of Bluetooth is between 8-30m, which is an ideal state. In reality, there will be much …
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Bluetooth HID Protocol Notes
1. Overview 2. Some concepts(1) HID Reports: Bluetooth HID devices support three kinds of Reports: Input, Output, and Feature.(2) HID establishes two channels, Control Channel …
Explain UART, SPI and I2C in detail
UART, SPI, and I2C are common communication protocols used in embedded systems and IoT devices to transfer data between integrated circuits, microcontrollers, and sensors. UART …
Comparison of indoor positioning schemes: UWB, Bluetooth, RFID, WiFi
Indoor positioning technology is constantly developing, and the means are also rich and diverse. WiFi, Bluetooth, RFID and UWB are popular. These kinds of technologies …
Bluetooth Beacon makes indoor positioning easier
The IoT technology has been constantly updated and iterated, and the indoor positioning technology has also undergone earth shaking changes. From room level positioning, decimeter …
Eight features of Bluetooth Technology
(1) Bluetooth module is small and easy to integrate: due to the small volume of personal mobile devices, the volume of Bluetooth chips embedded in …
Problems faced by the Internet of things
Although the development of the Internet of things has gradually taken shape in recent years, all countries have invested huge human, material and financial resources …
Key technologies of IoT
RFID TechnologyWhen it comes to the Internet of things, we have to mention the radio frequency identification (RFID) technology that has attracted much attention in …
What’s IoT?
Internet of things (IoT) refers to the real-time collection of any object or process that needs monitoring, connection and interaction through various devices and technologies …
Advantages and development prospects of Bluetooth
Bluetooth technology is an open global standard for wireless data and voice communication. It establishes a special connection for the communication environment between fixed and …